68 results about "Intramuscular fat" patented technology

The invention belongs to the technical field of animal breeding, and particularly relates to application of a detection reagent of an SNP (Single Nucleotide Polymorphism) molecular marker related to pork quality traits. Basic groups at 208bp and 217bp from the 5'end of the sequence have synchronous C / T mutation, the sequence shows three genotypes of CC, CT or TT, T allele is dominant allele, and the intramuscular fat content of the TT type pig is greater than that of the CC type pig. The invention further develops a reagent for detecting the SNP molecular marker, the reagent can be used for pig assisted breeding, pig breeding, pork quality character identification or pork quality character screening, and a method for identifying the intramuscular fat content of pork and screening pork with rich intramuscular fat is developed.

The invention relates to the technical field of molecular biology, and discloses a miRNA molecule for regulating and controlling fat deposition in pig muscle, one of the purposes of the invention is to provide a miRNA molecule for regulating and controlling fat deposition in pig muscle, the miRNA is SSC-miR-874, and the mature sequence of the miRNA is shown as SEQ ID NO1: CUGCCCUGGCCGAGGGACCGAC. The second purpose of the invention is to provide a product, and the product comprises SSC-miR-874 mimics or SSC-miR-874 inhibitor, and is characterized in that the SSC-miR-874 mimics and the SSC-miR-874 inhibitor are added into the product; wherein the sequences of the SSC-miR-874 mimics are as shown in SEQ ID NO1 (sequence identifier number 1) and SEQ ID NO2 (sequence identifier number 2), and the sequence of the SSC-miR-874 inhibitor is as shown in SEQ ID NO3 (sequence identifier number 3). The application reveals that the SSC-miR-874 can negatively regulate and control the proliferation and adipogenic differentiation of the precursor fat cells in the pig muscle, provides a new molecular target for deeply understanding the fat deposition mechanism in the pig muscle, provides an effective miRNA intervention strategy for optimizing the pork quality and increasing the fat content in the muscle, and has important breeding application value and industrialization prospect.

The present disclosure relates generally to methods and test kits for identifying SNPs associated with desirable meat eating quality traits in ovine animals. In particular, the present disclosure relates to a SNP-based diagnostic test and method for identifying ovine animals with desirable fat melting point (FMP), intramuscular fat (IMF) and omega-3 long chain polyunsaturated fatty acids (n-3 LC PUFAs) which are characteristic of Australian White sheep or Lamb (e.g., Tattykeel Australian White Lamb), and the use of those tests and methods in animal breeding programs.

The invention discloses a multi-mode-based sheep non-injury intramuscular fat content detection method, system and device and a medium, and relates to the field of intramuscular fat evaluation.The method comprises the steps that an ultrasonic image of to-be-detected sheep is obtained; extracting physiological attribute characteristics of the sheep to be detected based on the ultrasonic image; a DB-KAN dual-branch network is constructed and trained; the DB-KAN double-branch network comprises a CNN (Convolutional Neural Network) branch, a Transform branch and a regression head based on the KAN; and inputting the ultrasonic image and the physiological attribute characteristics into a trained DB-KAN double-branch network to obtain the intramuscular fat content of the sheep to be detected. The intramuscular fat content can be rapidly and accurately detected in a non-invasive manner.

The application provides a method for optimizing the slaughter weight of Jinfen white pigs to produce high-quality flavor pork. Through systematic research on the influence of different slaughter weights on the pork quality and flavor of Jinfen white pigs, it is first determined that when the slaughter weight is 135.08±1.10 kg, the pork has the optimal comprehensive quality performance, which is specifically embodied in that the intramuscular fat content reaches (3.82±0.05)%, the shear force is (35.75±1.68) N, and the meat quality is excellent. At the same time, the pork of the weight group has the most total volatile substances, and the types of various volatile substances are relatively rich, and exhibits the best flavor characteristics. The application not only provides clear process parameters for the production of high-quality flavor pork of Jinfen white pigs, but also provides a reliable technical basis for the precise regulation of meat quality based on the slaughter weight.

This invention belongs to the field of molecular marker-assisted selection technology for pig breeding and pigs, specifically involving molecular markers related to pork quality traits and their applications. This invention will be located in... PPP3CB 5' flanking promoter region of the gene InDel Polymorphic sites are associated with pork quality traits including water loss rate, water holding capacity, and intramuscular fat. InDel When the genotype at the polymorphic locus is TT, the pork has a lower water loss rate, a higher water holding capacity, and a higher intramuscular fat content. InDel InDel When the genotype of a polymorphic locus is deleted, the pork has a higher water loss rate, lower water holding capacity, and lower intramuscular fat content. This invention enables early prediction and selection of meat quality traits that can only be measured after slaughter, during the early stages of pig growth and development. It not only allows for live detection and screening of pork quality traits but also significantly shortens the generation interval, accelerates the breeding process, and provides technical support for early pig breeding.

The application discloses a SNP marker combination for broiler breast intramuscular fat content prediction and assisted breeding and application thereof, and belongs to the technical field of assisted breeding.The application aims to provide a method for broiler breast intramuscular fat content prediction and assisted breeding.The application provides 331 SNP markers related to broiler breast intramuscular fat content, which are used for identifying broiler breast intramuscular fat content.

The invention belongs to the technical field of microorganisms, and discloses clostridium butyricum ML5358 and application thereof.The clostridium butyricum ML5358 provided by the invention has the preservation number of CGMCC No.37000. The strain can effectively relieve mouse colitis induced by DSS and remarkably reduce expression of colon tissue inflammatory factors Il-6 and Il-1beta, and the preservation number of the clostridium butyricum ML5358 is CGMCC No.37000. The clostridium butyricum ML5358 is CGMCC No.37000. The clostridium butyricum ML5358 is CGMCC No.37000. In addition, skeletal muscle lipid metabolism can be regulated and controlled through the intestine-muscle axis, expression of fat synthesis and uptake related genes Srebf1, Acc1 and Fabp4 is specifically up-regulated, the content of intramuscular triglyceride is remarkably increased, and intramuscular fat deposition is promoted. According to the clostridium butyricum ML5358 and the application thereof, the functional limitation of traditional clostridium butyricum is broken through, and a new strain resource is provided for developing a novel microbial preparation or a feed additive capable of improving intestinal health and improving livestock and poultry meat quality.

The invention discloses a compound enzyme preparation-containing nutritional feed for regulating and controlling intramuscular fat of black pigs and a preparation method of the compound enzyme preparation-containing nutritional feed, and relates to the technical field of livestock and poultry breeding feeds. The invention discloses a black pig skeletal muscle cell fat directional transport feed which is prepared from the following components in parts by weight: 850-920 parts of basal feed, 5-12 parts of fat directional deposition compound enzyme group, 25-40 parts of amino acid-enzymatic synthesis substrate combination and 2-6 parts of lipolytic enzyme specific inhibitor. According to the black pig skeletal muscle cell fat directional transport feed, fat precursor directional transport is realized through the compounded fat directional deposition compound enzyme group, a fat synthesis pathway targeting black pig skeletal muscle cells and lipoprotein lipase; acetyl-coenzyme A carboxylase and fatty acid synthetase catalyze fat synthesis step by step, only intramuscular fat generation pathways are activated, subcutaneous and abdominal fat deposition paths are blocked, the technical defects that fat deposition of an existing single enzyme preparation is non-directional, and the body fat rate is caused to be abnormally increased are overcome, meanwhile, an exclusive amino acid-enzymatic synthesis substrate combination is matched, and the body fat synthesis efficiency is improved. Sufficient adaptive substrates are supplied to enzyme group catalytic reaction, and the problem that a single enzyme preparation is insufficient in catalytic efficiency is solved.

The invention discloses a synthetic microbial flora for improving pork quality and application thereof. The synthetic microbial flora comprises two kinds of probiotics, namely lactobacillus plantarum WY2401 with the preservation number of CCTCC (China Center For Type Culture Collection) NO. The invention relates to ackermann muciniophilic bacteria. The synthetic microbial flora is prepared by compounding lactobacillus plantarum and ackermann mucophile according to a colony formation unit number ratio of 1: 1, concentrating and freeze-drying. Experimental results show that the synthetic microbial flora is added into the basic feed of the fattening pigs, so that the carcass traits are improved, the intramuscular fat content is increased, the conversion of muscle fiber types and the development of muscle fibers are promoted, and the meat quality is improved.

The invention relates to the related technical field of pig feeds, in particular to a soybean-meal-free feed for increasing the intramuscular fat content of pork and application of the soybean-meal-free feed. The feed comprises the following raw materials: corn, fermented rapeseed meal, wheat bran, rice bran and hull, soybean oil, sodium chloride, calcium hydrophosphate, mountain flour, L-lysine hydrochloride, DL-methionine, L-threonine, L-tryptophan, choline chloride, a trace element premix and a vitamin premix. The feed is suitable for growing-finishing pigs with the weight ranging from 30 kg to the market (the weight ranges from 125 kg to 130 kg). The fermented rapeseed meal contained in the feed disclosed by the invention is produced by treating high-temperature hot-pressed rapeseed meal through a special bacterium-enzyme synergistic fermentation process. Tests prove that the feed does not use soybean meal, but the feed intake, the weight gain, the intramuscular fat content of pork and the economic benefit of pigs are remarkably improved.

The application belongs to the technical field of pig molecular marker, and particularly discloses a SNP molecular marker related to a pig intramuscular fat content character and application thereof. Based on SNP molecular marker, whole genome correlation analysis and meta-analysis are carried out, and two SNP molecular markers related to the pig intramuscular fat content character are screened out. The SNP molecular marker is located on chromosome 5 of the pig, and can be used for marker-assisted selection of the pig intramuscular fat content character.

The invention provides a feed additive and compound feed for improving intramuscular fat of pork, and belongs to the technical field of animal feed. The additive consists of the following components in parts by mass: 30-40 parts of codonopsis pilosula, 20-25 parts of rhizoma atractylodis, 12-16 parts of folium eriobotryae, 10-15 parts of bighead atractylodes rhizome, 10-15 parts of poria cocos, 8-12 parts of hawthorn, 18-22 parts of pomegranate rind and 5-10 parts of liquorice. The feed additive disclosed by the invention can effectively solve the problem that the meat quality and flavor of modern commercial pigs are reduced due to high lean meat percentage breeding through the synergistic effects of tonifying spleen, promoting appetite, promoting nutrient absorption and regulating metabolism. When the feed additive is applied to live pig feeding, the average daily gain and the meat-feed ratio of pigs can be remarkably increased on the premise that the thickness of back fat is not increased, meanwhile, the carcass lean meat percentage, the marbling score and the intramuscular fat content are increased, and the yield and the edible flavor of pork are comprehensively improved.

The invention relates to the technical field of livestock breeding improvement, and discloses a beef cattle high intramuscular fat content prediction method and application. The beef cattle high intramuscular fat content prediction method comprises the following steps: step 1, obtaining a rumen fluid sample of beef cattle to be detected; step 2, detecting the contents of myristic oleic acid, citric acid and salicylate in the rumen fluid sample; and step 3, comparing the content with a preset threshold value, and if the content of at least one metabolite is higher than the corresponding preset threshold value, predicting that the beef cattle has high intramuscular fat deposition potential or high intramuscular fat content. According to the method, early-stage, rapid and accurate prediction of the high intramuscular fat deposition potential of the individual cattle can be realized, the limitation that the traditional method depends on post-slaughter phenotype determination or is long in gene breeding period and high in cost is overcome, and a brand new technical means is provided for early-stage seed selection and precise breeding.

This invention belongs to the field of black pig breeding technology, specifically relating to a method for breeding large-sized, high-quality black pigs. The method involves crossing purebred Songliao black pigs with purebred Berkshire pigs to obtain F1 generation hybrid pigs. The F1 generation hybrid pigs are backcrossed twice with purebred Songliao black pigs to obtain B2 generation hybrid pigs. The B2 generation hybrid pigs are then crossbred to obtain a basic breeding herd of black pigs. This basic breeding herd is then subjected to closed breeding and successive selection for at least six generations to obtain large-sized, high-quality black pigs. The large-sized, high-quality black pigs of this invention have a Berkshire bloodline content of 12.5%, retaining the high fertility and excellent meat quality of Songliao black pigs, while effectively introducing the growth rate and intramuscular fat deposition advantages of Berkshire pigs. The large-sized, high-quality black pigs of this invention have all-black coats, reach 100kg at ≤175 days of age, have a live intramuscular fat content ≥3.5%, and a litter size ≥10.5 piglets, and can be self-breeding.

This invention provides the application of a *Breago brevis* strain in the preparation of products that promote intramuscular fat deposition in livestock and poultry. The *Breago brevis* strain is *Breago brevis* JCM 32280. Under high-fiber dietary conditions, supplementation with *Breago brevis* JCM 32280 of this invention can efficiently degrade fiber to produce high concentrations of butyrate. Butyrate, as a key effector molecule, can directly bind to and activate PPARγ receptors in host cells, thereby upregulating the MOGAT2-mediated triglyceride synthesis pathway, significantly increasing body fat percentage in mammals and promoting intramuscular fat (marbling). Simultaneously, this strain can reshape the intestinal microecology, specifically increasing the abundance of beneficial intestinal lactobacilli and enhancing the intestinal mucus barrier, providing a safe and efficient microbial preparation strategy for improving the fat deposition capacity and meat flavor of livestock and poultry.

The invention discloses an intramuscular fat content prediction method based on a pig ultrasonic image. The intramuscular fat content prediction method comprises the following steps: acquiring the ultrasonic image of a pig; preprocessing the ultrasonic image and obtaining a muscle feature region image; wherein the muscle feature region image is processed to obtain a multi-scale fusion feature map; and performing regression prediction on the output multi-scale fusion feature map to obtain a predicted value of the intramuscular fat content. Compared with the prior art, the method has the advantages that the multi-scale fusion feature map can better represent the distribution features of fat and muscle, the processed result represents the fat content of the muscle more accurately, and the prediction accuracy of the intramuscular fat content is improved.

The invention discloses a method and device for evaluating intramuscular fat content of a sheep living body based on an ultrasonic image, and relates to the field of intramuscular fat prediction based on deep learning, and the method comprises the steps: obtaining a spinal ultrasonic image of a target sheep, inputting the spinal ultrasonic image into an image segmentation model, and obtaining an eye muscle region segmentation mask in the spinal ultrasonic image; and according to the eye muscle region segmentation mask and the spine ultrasonic image, obtaining an eye muscle region feature map, inputting the eye muscle region feature map into the intramuscular fat content prediction model, and predicting the corresponding intramuscular fat content. On one hand, an image segmentation model adopts an improved model based on a DeepLabV3 + architecture, an eye muscle region can be accurately segmented, and further the intramuscular fat content is accurately predicted, on the other hand, an intramuscular fat content prediction model adopts an architecture based on ConvNext-Tiny, and a global attention mechanism and multi-scale feature fusion are introduced into the architecture, so that the intramuscular fat content prediction accuracy is improved. And the prediction accuracy of the intramuscular fat content of the target sheep is improved.

The invention belongs to the technical field of molecular biology, and relates to miRNA for regulating and controlling the content of fat and / or unsaturated fatty acid in buffalo muscle and application of the miRNA. The miRNA is miR-30f (bta-miR-30f), and the fat deposition in the buffalo muscle and the composition of unsaturated fatty acid are influenced by regulating and controlling the expression of an RAD23B gene. The invention finds that transfection of a bta-miR-30f simulant in buffalo intramuscular fat cells can significantly improve intramuscular fat content and unsaturated fatty acid proportion, while transfection of an inhibitor shows a reverse effect. Further research finds that knock-down of the RAD23B gene can also increase the content of triglyceride and unsaturated fatty acid in buffalo muscle tissue. Important gene resources and molecular breeding technical means are provided for genetic improvement of buffalo meat quality characters (including flavor characteristics and nutritional value).

The application provides a yak meat intramuscular fat content prediction method and system based on near-infrared spectroscopy, relates to the technical field of data analysis, and comprises the following steps: acquiring the original near-infrared spectroscopy curve of multiple-source yak meat samples and the corresponding intramuscular fat content standard value. Secondly, deep feature extraction is performed on the spectrum through a wavelet scattering network to obtain multi-level scattering feature representation with stable deformation. Then, the pasture and part metadata of the samples are fused to construct a hypergraph structure representing the complex high-order correlation between the samples. Then, a heat diffusion model is established on the hypergraph, and the known fat content is used as a heat source for collaborative diffusion to obtain stable state information values fused with topological information. Finally, a prediction model is constructed by combining the multi-level features and the stable state information, so that the intramuscular fat content of new samples can be quickly and non-destructively predicted. The application improves the accuracy and efficiency of the fat content prediction of multiple-source heterogeneous yak meat samples.

The invention provides a yak meat intramuscular fat content prediction method and system based on a near infrared spectrum, and relates to the technical field of data analysis, and the method comprises the steps: obtaining an original near infrared spectrum curve of a multi-source yak meat sample and a corresponding intramuscular fat content standard value; secondly, deep feature extraction is carried out on the spectrum through a wavelet scattering network, and multi-level scattering feature representation with deformation stability is obtained; thirdly, fusing the pasture metadata and the part metadata of the samples, and constructing a hypergraph structure representing complex high-order correlation among the samples; then, a thermal diffusion model is established on the hypergraph, the known fat content is used as a heat source for collaborative diffusion, and a steady-state information value fused with topological information is obtained; and finally, constructing a prediction model in combination with the multi-level features and the steady-state information, and realizing rapid and lossless prediction of the intramuscular fat content of a new sample. According to the method, the accuracy and efficiency of predicting the fat content of the multi-source heterogeneous yak meat sample are improved.

The application discloses a SNP molecular marker related to intramuscular fat content of Laiwu pigs and application thereof, and belongs to the technical field of molecular biology. The SNP molecular marker corresponds to a SNP site located at 27,674,494 bp of chromosome 10 in the 11.1 version of an international pig reference genome, and is located in a chromatin open region of a CTSL gene; the chromatin open region comprises a positive strand sequence as shown in SEQ ID NO. 1 and an antisense strand sequence as shown in SEQ ID NO. 2; a T / C polymorphism exists at the 206th base of the SEQ ID NO. 1, and an A / G polymorphism exists at the 377th base of the SEQ ID NO. 2. By detecting the SNP molecular marker, early judgment of intramuscular fat content can be realized at a piglet stage of the Laiwu pigs, a breeding cycle is greatly shortened, breeding cost is reduced, and the stability of the high intramuscular fat content trait of the Laiwu pigs is effectively maintained, so that the application has important application value for Laiwu pig breeding.

The invention provides a pig intramuscular fat content prediction method, system and equipment based on an ultrasonic image, and the method comprises the steps: carrying out the target region segmentation of an ultrasonic image of a to-be-detected pig through a pre-trained image segmentation model, and obtaining a target region segmentation image, the image segmentation model is obtained by finely adjusting the YOLOv11 network model by adopting a preset pig ultrasonic image data set; a feature extraction backbone network of the image segmentation model is reused to carry out feature extraction on the target area segmentation image, and feature maps of different scales of the target area segmentation image are obtained; performing feature fusion enhancement on the feature maps of different scales through an attention mechanism to obtain a multi-scale fusion attention feature map; a pre-trained multi-layer perceptron regression device is adopted to predict the multi-scale fusion attention feature map, and the intramuscular fat content of the to-be-detected pig is obtained. According to the method, lossless prediction of the intramuscular fat content of the pig is realized, and the prediction accuracy of the intramuscular fat content of the pig is improved.

The application discloses a SNP molecular marker related to a pork quality trait gene GAB1, a primer pair and application thereof, and relates to the technical field of pig molecular markers. The pork quality trait is an intramuscular fat content trait; the molecular marker is located in the 5th exon of the GAB1 gene on the 8th chromosome of a pig, and the nucleotide sequence is shown in the sequence table SEQ ID NO. 1; a g.112G>A base mutation exists at the 112th bp of the sequence. The application further provides a primer pair for amplifying the above-mentioned molecular marker and a method for breeding by using the above-mentioned molecular marker. The application first discovers that a SNP molecular marker in the GAB1 gene of a pig is related to the intramuscular fat content trait of the pig, and therefore can be used for marker-assisted selection breeding of the pig, that is, a new use of a SNP molecular marker in the GAB1 gene of the pig in marker-assisted breeding of pork quality traits is provided, and early screening of pig breeding and breeding traits is realized, and the screening method is simple and rapid.

The invention relates to the field of animal nutrition and feed science, in particular to a daily ration formula for promoting intramuscular fat deposition and application thereof. The daily ration comprises the following components in percentage by weight: 68.75%-73.85% of corn, 0%-7% of soybean meal, 0%-5.2% of dried distillers' grains and soluble substances thereof, 15.38%-21.645% of wheat bran, 0.21%-0.38% of lysine, 0.08%-0.18% of threonine, 0.02%-0.06% of methionine, 0.04%-0.055% of tryptophan, 0.1%-0.21% of valine and 3.62% of a feed additive; wherein the sum of the weight percentages of all the components is 100%. When the Yunong black pigs are fed with the daily ration formula, intramuscular fat deposition of the Yunong black pigs can be effectively promoted, marbling is formed, and the meat flavor is improved.

The application provides a goat complete mixed pellet feed containing coffee peel and application thereof, and the feed comprises the following raw materials in parts by weight: coffee peel 15-30 parts, corn 20-35 parts, soybean meal 10-20 parts, bran 5-15 parts, palm meal 1-3 parts, baking soda 1-2 parts, mineral premix 1-3 parts, vitamin premix 0.5-1.5 parts, compound probiotic preparation 0.1-0.5 parts and compound enzyme preparation 0.05-0.2 parts. The coffee peel is treated by an alkaline hydrolysis-solid state fermentation compound removal process, so that the problem of the influence of the anti-nutritional factors of the coffee peel on the feeding effect is effectively solved; through optimization of the formula, the multiple components are synergistically enhanced, and through adoption of a specific process, the problems of difficult granulation and molding of the feed after the addition of the coffee peel and loss of nutrients are solved. The feed is used for goat fattening breeding, can improve the daily weight gain of the fattening goats, reduces the feed-meat ratio, improves the intramuscular fat content of the mutton and improves the flavor of the mutton.

The invention relates to the technical field of molecular biology, and discloses an LPIN1 inhibitor which comprises a si-LPIN1 sequence, and the nucleotide sequence of the si-LPIN1 is shown as SEQ ID NO.1. The invention also discloses a preparation method of the LPIN1 inhibitor. The second purpose of the invention is to provide a product which comprises the LPIN1 inhibitor. The third purpose of the invention is to provide any one of the following applications of the LPIN1 inhibitor or the product: A1) preparing a product for interfering the expression of the LPIN1; a2) preparing a product for inhibiting the expression of the LPIN1 protein in the precursor fat cells in the pig muscle; a3) preparing a product for inhibiting the proliferation of the precursor fat cells in the pig muscle; a product for inhibiting the expression of proliferation-related genes (CDK1 and CCND1) in precursor fat cells in pig muscles is prepared from the prokaryotic cells (A4, A4). The invention provides a new strategy for optimizing the intramuscular fat deposition efficiency of the pig by negatively regulating the expression of the LPIN1, and provides effective functional genes and molecular targets for molecular breeding of pork quality traits.

The invention discloses a molecular marker taking sequence variation of a seventh intron of a pig SH2D3C gene as a meat quality character and application of the molecular marker. The molecular marker is located at the Ggt at the 268250812th bp position of a nucleotide sequence of a pig SH2D3C genome; a mutation. A seventh intron sequence corresponding to the molecular marker is shown as SEQ ID NO: 1 and SEQ ID NO: 2, and a Ggt exists at the 249bp position of the SEQ ID NO: 1 and the SEQ ID NO: 2; and A basic group mutation. The molecular marker is closely associated with pork quality characters such as intramuscular fat content and drip loss, and can be applied to molecular-assisted selective breeding of high-quality new pig strains. On the basis, the invention also provides a primer group for detecting the molecular marker, a kit comprising the primer group, and a method for screening individuals with excellent pork quality characters by adopting the molecular marker.

The invention belongs to the technical field of cell engineering and genetic engineering, and particularly relates to application of a Dickkopf-3 (DKK3) gene in improving beef quality and a method. The DKK3 gene is applied to improvement of beef quality, the intramuscular fat content of beef can be changed, and the application of the DKK3 gene to preparation of products for promoting differentiation of beef cattle intramuscular preadipocytes is further provided. The result of the embodiment shows that the DKK3 has a promoting effect on 3T3-L1 adipogenic differentiation, and after the DKK3 is over-expressed in the preadipocytes in the primary bovine muscle, the effects of increasing lipid droplet aggregation and remarkably increasing the expression quantity of adipogenic differentiation marker genes C / EBP alpha, C / EBP beta and PPAR gamma are achieved, so that the DKK3 has an important regulating effect on the adipogenic differentiation of the preadipocytes and can be used for preparing a medicine for treating the adipogenic differentiation of the preadipocytes. And a new gene resource is provided for improving the variety of high-quality beef cattle and improving the beef quality.

This invention provides a method and system for improving the quality of Jinhua pork based on data mining, belonging to the field of smart farming technology. The method includes: acquiring a raw dataset; performing data fusion based on the raw dataset, constructing an entity-relationship network topology to obtain a multimodal association graph; extracting potential influence paths from the multimodal association graph to obtain a set of influence paths; modeling interaction effects based on the set of influence paths to obtain a dynamic action model; tracing the source of meat quality defects based on the dynamic action model to obtain a set of defect driving factors; and generating optimization strategies based on the set of defect driving factors to obtain a meat quality improvement decision scheme. This invention integrates multi-source data from the entire lifecycle of Jinhua pigs to construct a multi-factor relationship network, accurately extracts key transmission paths and dynamic interaction models affecting meat quality formation, and systematically quantifies the nonlinear antagonistic relationship between the tendency for back fat deposition and intramuscular fat accumulation under the unique physiological mechanisms of Jinhua pigs.